26 #error AT91 EMAC supports max 1024 RX buffers. \
164 	at91_emac_t *emac;  in at91emac_mii_read()  local
166 	emac = get_emacbase_by_name(bus->name);  in at91emac_mii_read()
167 	at91emac_read(emac , addr, reg, &value);  in at91emac_mii_read()
175 	at91_emac_t *emac;  in at91emac_mii_write()  local
177 	emac = get_emacbase_by_name(bus->name);  in at91emac_mii_write()
178 	at91emac_write(emac, addr, reg, value);  in at91emac_mii_write()
188 	at91_emac_t *emac;  in at91emac_phy_reset()  local
190 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_phy_reset()
193 	at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_reset()
196 	at91emac_write(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMCR,  in at91emac_phy_reset()
200 		at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_reset()
223 	at91_emac_t *emac;  in at91emac_phy_init()  local
225 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_phy_init()
228 	at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_init()
235 	at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_init()
244 			at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_init()
255 		at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_init()
257 		at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR,  in at91emac_phy_init()
271 int at91emac_UpdateLinkSpeed(at91_emac_t *emac)  in at91emac_UpdateLinkSpeed()  argument
275 	at91emac_read(emac, CONFIG_DRIVER_AT91EMAC_PHYADDR, MII_BMSR, &stat1);  in at91emac_UpdateLinkSpeed()
281 		/*set Emac for 100BaseTX and Full Duplex  */  in at91emac_UpdateLinkSpeed()
282 		writel(readl(&emac->cfg) |  in at91emac_UpdateLinkSpeed()
284 			&emac->cfg);  in at91emac_UpdateLinkSpeed()
290 		writel((readl(&emac->cfg) &  in at91emac_UpdateLinkSpeed()
293 			&emac->cfg);  in at91emac_UpdateLinkSpeed()
299 		writel((readl(&emac->cfg) &  in at91emac_UpdateLinkSpeed()
302 			&emac->cfg);  in at91emac_UpdateLinkSpeed()
308 		writel((readl(&emac->cfg) &  in at91emac_UpdateLinkSpeed()
310 			&emac->cfg);  in at91emac_UpdateLinkSpeed()
321 	at91_emac_t *emac;  in at91emac_init()  local
324 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_init()
350 	writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl);  in at91emac_init()
359 	writel((u32) &(dev->rbfdt[0]), &emac->rbqp);  in at91emac_init()
361 	writel(readl(&emac->rsr) &  in at91emac_init()
363 		&emac->rsr);  in at91emac_init()
370 	writel(value, &emac->cfg);  in at91emac_init()
372 	writel(readl(&emac->ctl) | AT91_EMAC_CTL_TE | AT91_EMAC_CTL_RE,  in at91emac_init()
373 		&emac->ctl);  in at91emac_init()
376 		at91emac_UpdateLinkSpeed(emac);  in at91emac_init()
384 	at91_emac_t *emac;  in at91emac_halt()  local
386 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_halt()
387 	writel(readl(&emac->ctl) & ~(AT91_EMAC_CTL_TE | AT91_EMAC_CTL_RE),  in at91emac_halt()
388 		&emac->ctl);  in at91emac_halt()
394 	at91_emac_t *emac;  in at91emac_send()  local
396 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_send()
398 	while (!(readl(&emac->tsr) & AT91_EMAC_TSR_BNQ))  in at91emac_send()
400 	writel((u32) packet, &emac->tar);  in at91emac_send()
401 	writel(AT91_EMAC_TCR_LEN(length), &emac->tcr);  in at91emac_send()
402 	while (AT91_EMAC_TCR_LEN(readl(&emac->tcr)))  in at91emac_send()
405 	writel(readl(&emac->tsr) | AT91_EMAC_TSR_COMP, &emac->tsr);  in at91emac_send()
412 	at91_emac_t *emac;  in at91emac_recv()  local
416 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_recv()
436 			writel(readl(&emac->rsr) | AT91_EMAC_RSR_REC,  in at91emac_recv()
437 				&emac->rsr);  in at91emac_recv()
440 	if (readl(&emac->isr) & AT91_EMAC_IxR_RBNA) {  in at91emac_recv()
441 		/* EMAC silicon bug 41.3.1 workaround 1 */  in at91emac_recv()
442 		writel(readl(&emac->ctl) & ~AT91_EMAC_CTL_RE, &emac->ctl);  in at91emac_recv()
443 		writel(readl(&emac->ctl) | AT91_EMAC_CTL_RE, &emac->ctl);  in at91emac_recv()
445 		printf("%s: reset receiver (EMAC dead lock bug)\n",  in at91emac_recv()
453 	at91_emac_t *emac;  in at91emac_write_hwaddr()  local
454 	emac = (at91_emac_t *) netdev->iobase;  in at91emac_write_hwaddr()
464 			&emac->sa2l);  in at91emac_write_hwaddr()
465 	writel((netdev->enetaddr[4] | netdev->enetaddr[5] << 8), &emac->sa2h);  in at91emac_write_hwaddr()
467 		readl(&emac->sa2h), readl(&emac->sa2l));  in at91emac_write_hwaddr()
473 	emac_device *emac;  in at91emac_register()  local
479 	emac = malloc(sizeof(*emac)+512);  in at91emac_register()
480 	if (emac == NULL)  in at91emac_register()
484 		free(emac);  in at91emac_register()
488 	emacfix = (emac_device *) (((unsigned long) emac + 0x1ff) & 0xFFFFFE00);  in at91emac_register()
492 	strcpy(dev->name, "emac");  in at91emac_register()